Fix tests

changes/shell.py

@@ -6,20 +6,20 @@
 log = logging.getLogger(__name__)
 
 
-def handle_dry_run(function, *args):
+def handle_dry_run(fn, *args):
     if not config.arguments.get('--dry-run', True):
-        return function(*args)
+        return fn(*args)
     else:
-        log.debug('dry run of %s %s, skipping' % (function, args))
-        return True
+        log.debug('dry run of %s %s, skipping' % (fn, args))
+    return True
 
 
 def execute(command, dry_run=True):
     if not dry_run:
         try:
             return check_output(command.split(' ')).split('\n')
         except CalledProcessError as e:
-            log.debug('return code: %s, output: %s', e.returncode, e.output)
+            log.error('return code: %s, output: %s', e.returncode, e.output)
             return False
     else:
         log.debug('dry run of %s, skipping' % command)